.red_bg{
    width: 100%;
    height: 4rem;
    background: #d44439;
    position: absolute;
    top: -2.68rem;
    overflow: hidden;
}

.swiper-container {
    width: 97%;
    height: 1.65rem;
    border-radius: 0.05rem;
    img{
        width: 100%;
        height: 100%;
    }
} 

.swiper-pagination-bullet-active {/*轮播active圆点*/
    background: #d44439;
}